There are fulse, kilowatt-hour meter,air switch and other elements,there are lead sealing holes on each metering space doors so as to provide sealing electric.是什么意思_There are fulse, kilowatt-hour meter,air switch and other elements,there are lead sealing holes on each metering space doors so as to provide sealing electric.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句